Archive for the ‘Fortinet’ Category

Fortigate VDOMs

Fortigate VDOMs   What are Fortigate VDOMs(Virtual Domains)? Well Fortigate VDOMs are like ASAs contexts, you are able to separate the firewall so it looks like you have 2, with different management and user groups. With ASA you lose some features when you enabled contexts, but in the Fortinets’ Firewall you do not lose any [...]

Fortigate Tutorial – Web Filtering

Fortigate Tutorial – Web Filtering   Fortigate processes Web Filtering options in the following order: 1. URL Filtering 2. Fortiguard Web Filtering 3. Content Exempt 4. Content Block 5. Script Filter 6. Antivirus   Let’s talk a little about all of them: 1. URL Filtering – you define what URLs the Fortigate can block 2. [...]

Fortigate Tutorial – Spam Filtering

Fortigate Tutorial – Spam Filtering   Fortiguard uses the industry standard definition of spam as Unsolicite Bulk Email. Here are the Spam Filtering Methods implemented by Fortinet to its appliances: 1. IP Address Check 2. URL Check 3. Email Checksum Check 4. Spam Submission 5. Block/White List 6. HELO DNS Lookup 7. Return E-mail DNS [...]

Fortigate Tips and Tricks

Fortigate Tips and Tricks This article presents some useful commands/tricks that you can do to your Fortigate.   Debug Addresses: Many times it happens that we have a lot of firewall policies for one address defined in our address Pool. Let’s take an example: We have “WWW_Server” defined with the IP of 172.18.1.10. To see [...]

Fortigate | Fortinet Antivirus

Hello,   It this post i will talk about the AntiVirus feature of Fortigate. Since the firewall from Fortinet has a lot of features it is normal that AntiVirus is one of them. The processing of the Antivirus application goes as following: 1. File Filter -first it checks if any files match a file filter [...]